Fast Intentions exhaust is here!

F.I. Inc.

No pads or scotch Britte, just the non foulers.

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Phone: (805) 522-FAST (3278)
Email: tony@fastintentions.com
www.fastintentions.com
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XwChriswX

Interesante... Gonna have to look into this.

Also, can you comment as why you chose to go with the / \ cannister look as opposed to the = look?
I personally like the / \ look myself. Just trying to see if there's truth/fiction to the reasons as to why = is better...

Caravanshaka

/ \ is more of a straight shot for the exhaust
== gives a little more room for ground clearance with the mufflers

unless you are going with a big turbo pushing a lot of boost, I doubt there will be any noticeable difference in performance.

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____________________ PROJECT DiaD - Sold but not forgotten!
The first testicular guard, the "Cup," was used in Hockey in 1874 and the first helmet was used in 1974. That means it only took 100 years for men to realize that in order to work the penis, the brain must remain whole.

XwChriswX

I just think the / \ looks better lol. The impact in performance wise I heard from the B*** thread was the / \ design allows for air to come up under the rear bumper creating lift, and the = helped fill this gap. Part 2 of that is that same air is then caught in the bumper and creates resistance.

F.I. Inc.

Plain and simple: the shortest distance between two points is a straight line.

I understand that N/A vehicles need a certain amount of back pressure keep up low end torque. But, if you look at everyone Else's design, aside of the fact that they all look the same, the bends are atrocious. Some bends are as high as 120 degrees. Right now, we are only separated by at most 8-10 HP, but if you were to turbocharge or supercharge the car, we would decimate the competition in terms of torque and power across the board. If you are going to go through the trouble to scavenge the exhaust by using a good cross over ( X Pipe) then your exhaust system is contradicting itself by backing back up where it goes in to the mufflers. Yes, we sacrificed some ground clearance, but if you are conscious of your driving habits and your cars well being you will not bottom out. If you take a dip at 50 MPH well then that is your own fault.

As far as aesthetics, IMHO it fits the car like a glove. This is by far the best looking Z to date and it needs to be complimented with an exhaust that fits the bill!

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Phone: (805) 522-FAST (3278)
Email: tony@fastintentions.com
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F.I. Inc.

Just to let you all in on what we are about...

Bottom line, "We manufacture horsepower"

We built this car and many like it from the ground up. In this video it made 1000 HP at the tires. Currently it makes about 1300!

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Phone: (805) 522-FAST (3278)
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kdo2milger

Tony, that is one sick Stang Bro!!!

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LiquidZ

+Respect for a Mustang owner!

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Caravanshaka

you aren't separated by 8-10 HP once you factor in the high flow cat with the cat-back combo (which most people doing an exhaust will do both)...in fact Berk Dyno'd a gain of 32hp (19 from HFC's first, then another 13 adding exhaust) with their combo...

Like I said though, add a turbo and you may feel a difference from the straight shot compared to a couple extra bends. with both having Mandrel bent piping the gains aren't going to be significant even with a turbo. Maybe an extra 3-4 hp overall running 7 - 10 psi.

Forced induction will go well with any of the exhaust combo's out there, but if you are serious about boost you are going to want to increase the piping diameter, and you will likely follow the FI routing for a straighter shot. but that is going custom anyway.

__________________
____________________ PROJECT DiaD - Sold but not forgotten!
The first testicular guard, the "Cup," was used in Hockey in 1874 and the first helmet was used in 1974. That means it only took 100 years for men to realize that in order to work the penis, the brain must remain whole.

F.I. Inc.

I understand why you might think they picked up 32 HP but that is not the correct way to look at it. Mods do not compound like that. You cannot dyno a car with one mod 8 months ago and say oh we picked up 19 hp and then dyno it now and say well, we picked up another 13 hp from the cat back so that must mean added together we make 32 hp. Just about every 370Z out there makes right around 280 at the wheels on a dynojet in correct 1:1 gear stock!

Now, if they indeed picked up 32 hp at the wheels show me the dyno where they made roughly 312! From what I have seen they have yet to break even 300 with the cats and the cat back combined. Look, we dynoed ours in almost 100 degree heat as well and we dynoed it stock and we dynoed it with just the cat back and so on and so forth in the same day in the same environment!

From doing extensive dyno testing with this car I highly doubt any set of high flow cats out there (including mine) will pick up anywhere near 19 hp with the stock cat back on the car. The stock cat back is so restrictive it will not allow it. If there was a BS flag I would raise it, but I cannot find one.

For the turbos, with the 7-10 PSI, my friend if I know anything it is turbos for a long time now and I strongly disagree with the statement that we may make 3-4 more horsepower with the less bends. You have to be kidding, right? Yes, the more boost you make the greater the gap will be but even at 7-10 PSI it will be significant! Come on, we make more than 3-4 more HP N/A!!!

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Phone: (805) 522-FAST (3278)
Email: tony@fastintentions.com
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Caravanshaka

3-4 hp was the difference between the 2 cat-backs, not the overall gain.

DDM did a baseline, then another pull with the HFC's and did 19 hp...later on down the road he did a NEW baseline, then added the exhaust and got 13 hp. Yes, the temperature was low for the HFC's compared to 110 degrees he ran in with the exhaust, so adjusted for temp and take away 10% of the original 19hp gain and you are still looking at 30hp to the wheels, or over 10% gain.

__________________
____________________ PROJECT DiaD - Sold but not forgotten!
The first testicular guard, the "Cup," was used in Hockey in 1874 and the first helmet was used in 1974. That means it only took 100 years for men to realize that in order to work the penis, the brain must remain whole.

B1nks

I would like a link showing those gains that BERK received because I was following that and they got something like 13whp from the exhaust but I don't recall them using HFC with it..this exhaust got 20whp without HFC. Also on the BERK video of "prototype #2, which is apparently the same as #3, there is an AWFUL rasp as the exhaust winds down after a rev. People are saying that this rasp is normal when using flex pipes, which is why F.I.'s exhaust doesn't have that annoying rasp. I friend I know said that flex pipes are necessary when you have welds on that first section of piping after the cat(which BERK has) because the welds will crack due to engine tourqe. FI's exhaust appears to be one solid piece of bent piping which will hold up fine. I know this has been discussed but I'm curious if that last part is true !?

Caravanshaka

DDM did the dyno's, and he dyno'd the catback with the berk high flow cats already on the car. That was part of the explanation for the lower gains since some of hte restriction of the exhaust was already removed.

Prototype 2 was with the H-pipe, prototype 3 was with the X-pipe if I recall.

__________________
____________________ PROJECT DiaD - Sold but not forgotten!
The first testicular guard, the "Cup," was used in Hockey in 1874 and the first helmet was used in 1974. That means it only took 100 years for men to realize that in order to work the penis, the brain must remain whole.